1250-1300;Middle Englishweik < Old Norseveikr; cognate with Old Englishwāc,Dutchweek,Germanweich; akin to Old Englishwīcan to yield, give way, Old Norsevīkja to move, turn, draw back, Germanweichen to yield

Neutralization with a base weaker than the acid results in a weakly acidic salt.

A series of related definitions, some weaker or stronger, are presented here.

However, they could not be waken, as far as they know of, and puck is getting weaker.

Many bedbugs have grown resistant to the weaker insecticides.

Cruelty usually carries connotations of supremacy over a submissive or weaker force.

British Dictionary definitions for weaker

weak

/wiːk/

adjective

1.

lacking in physical or mental strength or force; frail or feeble

2.

liable to yield, break, or give way: a weak link in a chain

3.

lacking in resolution or firmness of character

4.

lacking strength, power, or intensity: a weak voice

5.

lacking strength in a particular part: a team weak in defence

6.

not functioning as well as normal: weak eyes

easily upset: a weak stomach

7.

lacking in conviction, persuasiveness, etc: a weak argument

8.

lacking in political or strategic strength: a weak state

9.

lacking the usual, full, or desirable strength of flavour: weak tea

10.

(grammar)

denoting or belonging to a class of verbs, in certain languages including the Germanic languages, whose conjugation relies on inflectional endings rather than internal vowel gradation, as look, looks, looking, looked

belonging to any part-of-speech class, in any of various languages, whose inflections follow the more regular of two possible patterns Compare strong (sense 13)